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Title:
LAUNDRY DETERGENT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2018/113643
Kind Code:
A1
Abstract:
A solid laundry detergent composition comprises: (a) from 80wt%to 99.9wt%first particle comprising:(i) from 20wt%to 39wt%detersive surfactant;(ii) from 10wt%to 40wt%inorganic salts selected from sodium carbonate, sodium sesquicarbonate, sodium bicarbonate and any mixtures thereof; and(iii) optionally, from 10wt%to 40wt%citric acid and/or salts thereof, (b) from 0.1wt%to 20wt%second particle, wherein the second particle comprises from 0.05wt%to 5wt%active enzyme protein, wherein the first particle in the form of a coated laundry detergent particle that is curved and the second particle in the form of a enzyme laundry detergent particle both has perpendicular dimensions x, y and z, wherein x is from 0.5mm to 2.0mm, y is from 2.0mm to 8.0mm, and z is from 2.0mm to 8.0mm, optionally, wherein at 1wt%dilution in de-ionised water at 20℃, the composition has a pH in the range of from 7.6 to 10.0 and a reserve alkalinity to pH 7.5 of greater than 3.0.

Inventors:
BROOKER ALAN THOMAS (GB)
LANT NEIL JOSEPH (GB)
SI GANG (GB)
HOWARD PHILLIP JAN (GB)
ZHAO PU (CN)
Application Number:
PCT/CN2017/117072
Publication Date:
June 28, 2018
Filing Date:
December 19, 2017
Export Citation:
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Assignee:
PROCTER & GAMBLE (US)
BROOKER ALAN THOMAS (GB)
LANT NEIL JOSEPH (GB)
SI GANG (GB)
HOWARD PHILLIP JAN (GB)
ZHAO PU (CN)
International Classes:
C11D1/83; C11D3/10; C11D3/20; C11D3/386; C11D17/00
Domestic Patent References:
WO2013139702A12013-09-26
WO2016138954A12016-09-09
WO2016110379A12016-07-14
WO2016198262A12016-12-15
WO2014048857A12014-04-03
WO2013149755A12013-10-10
WO2013149754A12013-10-10
WO2013149753A12013-10-10
WO2013149752A12013-10-10
WO2012048947A12012-04-19
WO2013139702A12013-09-26
WO2015158723A12015-10-22
WO2016041681A12016-03-24
WO2015189371A12015-12-17
WO2016102356A12016-06-30
WO2016041679A12016-03-24
WO2016180552A12016-11-17
WO2014177709A12014-11-06
Foreign References:
EP2639291A12013-09-18
Other References:
See also references of EP 3559189A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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